The Dock Edge DocKushion HD is 20% thicker than the Large or Small DocKushion and ideal for heavier dock applications. The DocKushion is ultimate in protection systems. No need for fenders any more. This revolutionary design incorporates a soft expanded foam core surrounded by UV-stabilized integral polyurethane skin foam. This creates the softest but most durable bumper you can treat your boat to. A molded-in backer allows strong secure mounting. Unique male and female sockets at the ends make joining the pieces a snap for a seamless look. Connect DocKushion lengths end-to-end for long runs. End caps and corners (sold separately) complete your system for a professional, clean looking job.• Ideal for heavier dock applications• 20% thicker than regular DocKushion• Measures 48" x 4" x 2-7/16" thick Softest, most durable bumper for your boat Molded in backer allows strong secure mounting Measures 48"" x 4"" x 2-7/16"" thick | Dock Edge 48" DocKushion HD